Name any five Playback singers who got disappeared from Bollywood?

The names of five Playback Singers who got disappeared from Bollywood are: Anuradha Paudwal, Kumar Sanu, Alka Yagnik, Kavita Krishnamurthy and last but not the least Lucky Ali. These five are the famous Playback Singers who have made contribution in the field of Indian Cinema through their voice and won many awards.